KR101183853B1 - 비수성 전해액 및 리튬 전지 - Google Patents
비수성 전해액 및 리튬 전지 Download PDFInfo
- Publication number
- KR101183853B1 KR101183853B1 KR1020110062888A KR20110062888A KR101183853B1 KR 101183853 B1 KR101183853 B1 KR 101183853B1 KR 1020110062888 A KR1020110062888 A KR 1020110062888A KR 20110062888 A KR20110062888 A KR 20110062888A KR 101183853 B1 KR101183853 B1 KR 101183853B1
- Authority
- KR
- South Korea
- Prior art keywords
- electrolyte
- battery
- compound
- discharge capacity
- delete delete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000008151 electrolyte solution Substances 0.000 title claims description 10
- 229910052744 lithium Inorganic materials 0.000 title abstract description 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title abstract description 32
- 239000003792 electrolyte Substances 0.000 claims abstract description 66
- 150000001875 compounds Chemical class 0.000 claims abstract description 47
- 239000011255 nonaqueous electrolyte Substances 0.000 claims abstract description 32
- -1 nitrile compound Chemical class 0.000 claims abstract description 25
- 239000003125 aqueous solvent Substances 0.000 claims abstract description 14
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 claims description 40
- BHXFKXOIODIUJO-UHFFFAOYSA-N benzene-1,4-dicarbonitrile Chemical compound N#CC1=CC=C(C#N)C=C1 BHXFKXOIODIUJO-UHFFFAOYSA-N 0.000 claims description 24
- WDXYVJKNSMILOQ-UHFFFAOYSA-N 1,3,2-dioxathiolane 2-oxide Chemical compound O=S1OCCO1 WDXYVJKNSMILOQ-UHFFFAOYSA-N 0.000 claims description 14
- 150000005676 cyclic carbonates Chemical class 0.000 claims description 12
- ZTOMUSMDRMJOTH-UHFFFAOYSA-N glutaronitrile Chemical compound N#CCCCC#N ZTOMUSMDRMJOTH-UHFFFAOYSA-N 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 150000002170 ethers Chemical class 0.000 claims description 5
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 claims description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 claims description 4
- OWAHJGWVERXJMI-UHFFFAOYSA-N prop-2-ynyl methanesulfonate Chemical compound CS(=O)(=O)OCC#C OWAHJGWVERXJMI-UHFFFAOYSA-N 0.000 claims description 4
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- BAASCWKOCWNWKR-UHFFFAOYSA-N 1,3,2-dioxathiole 2-oxide Chemical compound O=S1OC=CO1 BAASCWKOCWNWKR-UHFFFAOYSA-N 0.000 claims description 2
- MBDUIEKYVPVZJH-UHFFFAOYSA-N 1-ethylsulfonylethane Chemical compound CCS(=O)(=O)CC MBDUIEKYVPVZJH-UHFFFAOYSA-N 0.000 claims description 2
- YBJCDTIWNDBNTM-UHFFFAOYSA-N 1-methylsulfonylethane Chemical compound CCS(C)(=O)=O YBJCDTIWNDBNTM-UHFFFAOYSA-N 0.000 claims description 2
- OMDBQUJWRWFIEG-UHFFFAOYSA-N 2,2,4,4-tetramethylpentanedinitrile Chemical compound N#CC(C)(C)CC(C)(C)C#N OMDBQUJWRWFIEG-UHFFFAOYSA-N 0.000 claims description 2
- ZTVWCVDHDYZBDT-UHFFFAOYSA-N 2,2,5,5-tetramethylhexanedinitrile Chemical compound N#CC(C)(C)CCC(C)(C)C#N ZTVWCVDHDYZBDT-UHFFFAOYSA-N 0.000 claims description 2
- RISJWFYSMKOETR-UHFFFAOYSA-N 2,4-dimethylpentanedinitrile Chemical compound N#CC(C)CC(C)C#N RISJWFYSMKOETR-UHFFFAOYSA-N 0.000 claims description 2
- IERAUDYEBKFNFZ-UHFFFAOYSA-N 2,6-dimethylheptanedinitrile Chemical compound N#CC(C)CCCC(C)C#N IERAUDYEBKFNFZ-UHFFFAOYSA-N 0.000 claims description 2
- PITUYKHMRZYCFH-UHFFFAOYSA-N 2,8-dimethylnonanedinitrile Chemical compound N#CC(C)CCCCCC(C)C#N PITUYKHMRZYCFH-UHFFFAOYSA-N 0.000 claims description 2
- YDYMCQUIFFVXAM-UHFFFAOYSA-N 2-butyloctanedinitrile Chemical compound CCCCC(C#N)CCCCCC#N YDYMCQUIFFVXAM-UHFFFAOYSA-N 0.000 claims description 2
- GAPYETXMWCTXDQ-UHFFFAOYSA-N 2-hydroxyethyl hydrogen sulfate Chemical compound OCCOS(O)(=O)=O GAPYETXMWCTXDQ-UHFFFAOYSA-N 0.000 claims description 2
- SBDSWNLTVOAIPQ-UHFFFAOYSA-N 2-methylhexanedinitrile Chemical compound N#CC(C)CCCC#N SBDSWNLTVOAIPQ-UHFFFAOYSA-N 0.000 claims description 2
- FPPLREPCQJZDAQ-UHFFFAOYSA-N 2-methylpentanedinitrile Chemical compound N#CC(C)CCC#N FPPLREPCQJZDAQ-UHFFFAOYSA-N 0.000 claims description 2
- SJHAYVFVKRXMKG-UHFFFAOYSA-N 4-methyl-1,3,2-dioxathiolane 2-oxide Chemical compound CC1COS(=O)O1 SJHAYVFVKRXMKG-UHFFFAOYSA-N 0.000 claims description 2
- PLUBXMRUUVWRLT-UHFFFAOYSA-N Ethyl methanesulfonate Chemical compound CCOS(C)(=O)=O PLUBXMRUUVWRLT-UHFFFAOYSA-N 0.000 claims description 2
- 150000001923 cyclic compounds Chemical class 0.000 claims description 2
- DFJYZCUIKPGCSG-UHFFFAOYSA-N decanedinitrile Chemical compound N#CCCCCCCCCC#N DFJYZCUIKPGCSG-UHFFFAOYSA-N 0.000 claims description 2
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 claims description 2
- 229940008406 diethyl sulfate Drugs 0.000 claims description 2
- NVJBFARDFTXOTO-UHFFFAOYSA-N diethyl sulfite Chemical compound CCOS(=O)OCC NVJBFARDFTXOTO-UHFFFAOYSA-N 0.000 claims description 2
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 claims description 2
- BDUPRNVPXOHWIL-UHFFFAOYSA-N dimethyl sulfite Chemical compound COS(=O)OC BDUPRNVPXOHWIL-UHFFFAOYSA-N 0.000 claims description 2
- AVQYXBDAZWIFTO-UHFFFAOYSA-N dodecanedinitrile Chemical compound N#CCCCCCCCCCCC#N AVQYXBDAZWIFTO-UHFFFAOYSA-N 0.000 claims description 2
- LLEVMYXEJUDBTA-UHFFFAOYSA-N heptanedinitrile Chemical compound N#CCCCCCC#N LLEVMYXEJUDBTA-UHFFFAOYSA-N 0.000 claims description 2
- LAQPNDIUHRHNCV-UHFFFAOYSA-N isophthalonitrile Chemical compound N#CC1=CC=CC(C#N)=C1 LAQPNDIUHRHNCV-UHFFFAOYSA-N 0.000 claims description 2
- CZXGXYBOQYQXQD-UHFFFAOYSA-N methyl benzenesulfonate Chemical compound COS(=O)(=O)C1=CC=CC=C1 CZXGXYBOQYQXQD-UHFFFAOYSA-N 0.000 claims description 2
- MBABOKRGFJTBAE-UHFFFAOYSA-N methyl methanesulfonate Chemical compound COS(C)(=O)=O MBABOKRGFJTBAE-UHFFFAOYSA-N 0.000 claims description 2
- QXOYPGTWWXJFDI-UHFFFAOYSA-N nonanedinitrile Chemical compound N#CCCCCCCCC#N QXOYPGTWWXJFDI-UHFFFAOYSA-N 0.000 claims description 2
- BTNXBLUGMAMSSH-UHFFFAOYSA-N octanedinitrile Chemical compound N#CCCCCCCC#N BTNXBLUGMAMSSH-UHFFFAOYSA-N 0.000 claims description 2
- XQZYPMVTSDWCCE-UHFFFAOYSA-N phthalonitrile Chemical compound N#CC1=CC=CC=C1C#N XQZYPMVTSDWCCE-UHFFFAOYSA-N 0.000 claims description 2
- XDLVYYYGCNMREZ-UHFFFAOYSA-N propane-1,2-diol;sulfuric acid Chemical compound CC(O)CO.OS(O)(=O)=O XDLVYYYGCNMREZ-UHFFFAOYSA-N 0.000 claims description 2
- IAHFWCOBPZCAEA-UHFFFAOYSA-N succinonitrile Chemical compound N#CCCC#N IAHFWCOBPZCAEA-UHFFFAOYSA-N 0.000 claims description 2
- LZOZLBFZGFLFBV-UHFFFAOYSA-N sulfene Chemical compound C=S(=O)=O LZOZLBFZGFLFBV-UHFFFAOYSA-N 0.000 claims description 2
- JTOFSXGLSGTDCB-UHFFFAOYSA-N tetradecanedinitrile Chemical compound N#CCCCCCCCCCCCCC#N JTOFSXGLSGTDCB-UHFFFAOYSA-N 0.000 claims description 2
- ZVQXQPNJHRNGID-UHFFFAOYSA-N tetramethylsuccinonitrile Chemical compound N#CC(C)(C)C(C)(C)C#N ZVQXQPNJHRNGID-UHFFFAOYSA-N 0.000 claims description 2
- ISIQQQYKUPBYSL-UHFFFAOYSA-N undecanedinitrile Chemical compound N#CCCCCCCCCCC#N ISIQQQYKUPBYSL-UHFFFAOYSA-N 0.000 claims description 2
- DYSUALCNASMRMZ-UHFFFAOYSA-N 2-heptylpropanedinitrile Chemical compound CCCCCCCC(C#N)C#N DYSUALCNASMRMZ-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 1
- APVPOHHVBBYQAV-UHFFFAOYSA-N n-(4-aminophenyl)sulfonyloctadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 APVPOHHVBBYQAV-UHFFFAOYSA-N 0.000 claims 1
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 claims 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
- 150000003457 sulfones Chemical class 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 15
- 238000011156 evaluation Methods 0.000 description 51
- 238000000034 method Methods 0.000 description 51
- 230000000052 comparative effect Effects 0.000 description 43
- 238000002360 preparation method Methods 0.000 description 35
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 30
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 20
- 239000002904 solvent Substances 0.000 description 19
- 229910013870 LiPF 6 Inorganic materials 0.000 description 18
- 239000000203 mixture Substances 0.000 description 16
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 12
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 7
- 229910013063 LiBF 4 Inorganic materials 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 7
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 238000010348 incorporation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910013872 LiPF Inorganic materials 0.000 description 5
- 101150058243 Lipf gene Proteins 0.000 description 5
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 5
- FCDMDSDHBVPGGE-UHFFFAOYSA-N butyl 2,2-dimethylpropanoate Chemical compound CCCCOC(=O)C(C)(C)C FCDMDSDHBVPGGE-UHFFFAOYSA-N 0.000 description 5
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003623 enhancer Substances 0.000 description 4
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- 229920003048 styrene butadiene rubber Polymers 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- 238000009736 wetting Methods 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 3
- 229910013528 LiN(SO2 CF3)2 Inorganic materials 0.000 description 3
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 3
- 239000006230 acetylene black Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910021382 natural graphite Inorganic materials 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 239000011877 solvent mixture Substances 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 229910013914 LiPF6 + 0.1 M Inorganic materials 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000006183 anode active material Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
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- 239000013078 crystal Substances 0.000 description 2
- 150000004292 cyclic ethers Chemical class 0.000 description 2
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
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- 150000004706 metal oxides Chemical class 0.000 description 2
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- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
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- 229910052709 silver Inorganic materials 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- GDXHBFHOEYVPED-UHFFFAOYSA-N 1-(2-butoxyethoxy)butane Chemical compound CCCCOCCOCCCC GDXHBFHOEYVPED-UHFFFAOYSA-N 0.000 description 1
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- RKRRPWLLULFKMZ-UHFFFAOYSA-N 2,7-dimethyloctanedinitrile Chemical compound N#CC(C)CCCCC(C)C#N RKRRPWLLULFKMZ-UHFFFAOYSA-N 0.000 description 1
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
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- VBWIZSYFQSOUFQ-UHFFFAOYSA-N cyclohexanecarbonitrile Chemical compound N#CC1CCCCC1 VBWIZSYFQSOUFQ-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- QLVWOKQMDLQXNN-UHFFFAOYSA-N dibutyl carbonate Chemical compound CCCCOC(=O)OCCCC QLVWOKQMDLQXNN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- WNLFPMNBHCWASX-UHFFFAOYSA-N dodecyl 2,2-dimethylpropanoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)(C)C WNLFPMNBHCWASX-UHFFFAOYSA-N 0.000 description 1
- 230000002900 effect on cell Effects 0.000 description 1
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- HHEIMYAXCOIQCJ-UHFFFAOYSA-N ethyl 2,2-dimethylpropanoate Chemical compound CCOC(=O)C(C)(C)C HHEIMYAXCOIQCJ-UHFFFAOYSA-N 0.000 description 1
- 239000010408 film Substances 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- CXHHBNMLPJOKQD-UHFFFAOYSA-M methyl carbonate Chemical compound COC([O-])=O CXHHBNMLPJOKQD-UHFFFAOYSA-M 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
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- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- CHJKOAVUGHSNBP-UHFFFAOYSA-N octyl 2,2-dimethylpropanoate Chemical compound CCCCCCCCOC(=O)C(C)(C)C CHJKOAVUGHSNBP-UHFFFAOYSA-N 0.000 description 1
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- 238000004321 preservation Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- SZKKNEOUHLFYNA-UHFFFAOYSA-N undecanenitrile Chemical compound CCCCCCCCCCC#N SZKKNEOUHLFYNA-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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Abstract
Description
실시예 | 니트릴 화합물 (중량%) |
초기 방전 용량 (상대값) |
방전 용량 유지율 (%) |
A-1 | 아디포니트릴(0.01) | 1.00 | 86.2 |
A-2 | 아디포니트릴(0.05) | 0.99 | 87.9 |
A-3 | 아디포니트릴(0.1) | 1.01 | 89.0 |
A-4 | 아디포니트릴(0.2) | 1.02 | 89.2 |
A-5 | 아디포니트릴(0.5) | 0.99 | 88.8 |
A-6 | 아디포니트릴(1) | 0.98 | 85.6 |
A-7 | 글루타로니트릴(0.2) | 1.00 | 88.9 |
비교예 | |||
A-1 | 없음 | 1 | 82.6 |
A-2 | 아디포니트릴(13) | 0.95 | 72.3 |
A-3 | [글루타로니트릴(19)] | 1.01 | 64.7 |
A-4 | 프로피오니트릴(0.2) | 0.96 | 82.4 |
참조 : 비교예 A-3 은 글루타로니트릴/메틸 카르보네이트(19:81, 부피비) 및 1 몰/L LiPF6 를 이용한다. |
실시예 | 니트릴 화합물 (중량%) |
초기 방전 용량 (상대값) |
방전 용량 유지율 (%) |
A-8 | 아디포니트릴(0.2) | 0.96 | 70.1 |
A-9 | 아디포니트릴(0.2) | 0.98 | 67.3 |
비교예 | |||
A-5 | 없음 | 0.97 | 61.4 |
A-6 | 없음 | 1.00 | 59.5 |
참조 : 실시예 A-8 및 비교예 A-5 는 EC/GBL(3:7) 용매를 이용하고, 실시예 A-9 및 비교예 A-6 은 GBL 용매를 사용한다. |
실시예 | 니트릴 화합물 (중량%) |
방전 용량 (상대값) |
고온 자기 방전율 (%) |
B-1 | 아디포니트릴(0.2) | 1.04 | 6.2 |
비교예 | |||
B-1 | 없음 | 1 | 10.5 |
B-2 | 아디포니트릴(13) | 0.92 | 22.8 |
실시예 | 전해액 니트를 화합물(중량%) SO2 함유 화합물(중량%) |
초기 방전 용량 (상대값) |
방전 용량 유지율 (%) |
C-1 |
EC/VC/MEC 중 1M LiPF6 1,4-디시아노벤젠(2) 에틸렌 술파이트(2) |
1.00 |
88.9 |
C-2 |
EC/VC/MEC 중 1M LiPF6 아디포니트릴(2) 에틸렌 술파이트(2) |
1.00 |
90.2 |
C-3 |
EC/VC/MEC 중 0.9M LiPF6 + 0.1M LiN(SO2CF3)2 아디포니트릴(2) 에틸렌 술파이트(2) |
1.00 |
89.4 |
C-4 |
EC/VC/MEC 중 0.9M LiPF6 + 0.1M LiBF4 아디포니트릴(2) 에틸렌 술파이트(2) |
1.00 |
89.7 |
C-5 |
EC/VC/MEC 중 1M LiPF6 아디포니트릴(2) 1,3-프로판술톤(2) |
1.00 |
89.8 |
C-6 |
EC/VC/MEC 중 1M LiPF6 아디포니트릴(2) 디비닐술폰(0.3) |
1.00 |
89.4 |
C-7 |
EC/VC/MEC 중 1M LiPF6 아디포니트릴(2) 프로파르길 메탄술포네이트(0.5) |
1.00 |
89.3 |
C-8 |
EC/VC/MEC 중 1M LiPF6 프로피오니트릴(2) 에틸렌 술파이트(2) |
1.00 |
88.2 |
비교예 | |||
C-1 |
EC/VC/MEC 중 1M LiPF6 없음 없음 |
1.00 |
83.7 |
C-2 |
EC/VC/MEC 중 1M LiPF6 없음 에틸렌 술파이트(2) |
1.00 |
84.2 |
Claims (19)
- 비(非)수성 용매 및 전해질을 포함하고, 추가로 디니트릴 화합물을 0.01 내지 3 중량%의 양으로, S=O 기 함유 화합물을 0.2 내지 3 중량%의 양으로 함유하는 비수성 전해액.
- 제 1 항에 있어서, S=O 기 함유 화합물이 술파이트, 술폰, 술포네이트 및 술페이트로 이루어진 군으로부터 선택되는 고리형 화합물 또는 선형 화합물인 전해액.
- 제 1 항에 있어서, 디니트릴 화합물이 숙시노니트릴, 글루타로니트릴, 아디포니트릴, 1,5-디시아노펜탄, 1,6-디시아노헥산, 1,7-디시아노헵탄, 1,8-디시아노옥탄, 1,9-디시아노노난, 1,10-디시아노데칸, 1,12-디시아노도데칸, 테트라메틸숙시노니트릴, 2-메틸글루타로니트릴, 2,4-디메틸글루타로니트릴, 2,2,4,4-테트라메틸글루타로니트릴, 1,4-디시아노펜탄, 2,5-디메틸-2,5-헥산디카르보니트릴, 2,6-디시아노헵탄, 2,7-디시아노옥탄, 2,8-디시아노노난, 1,6-디시아노데칸, 1,2-디시아노벤젠, 1,3-디시아노벤젠, 또는 1,4-디시아노벤젠인 전해액.
- 제 1 항에 있어서, S=O 기 함유 화합물이 디메틸술파이트, 디에틸술파이트, 에틸렌술파이트, 프로필렌술파이트, 비닐렌술파이트, 디메틸술폰, 디에틸술폰, 메틸에틸술폰, 디비닐술폰, 술포란, 술포렌, 메틸 메탄술포네이트, 에틸메탄술포네이트, 프로파르길 메탄술포네이트, 메틸 벤젠술포네이트, 1,3-프로판술톤, 1,4-부탄술톤, 디메틸 술페이트, 디에틸 술페이트, 에틸렌글리콜 술페이트, 또는 1,2-프로판디올 술페이트인 전해액.
- 제 1 항에 있어서, 디니트릴 화합물 및 S=O 기 함유 화합물이 1:99 내지 99:1 의 중량비로 함유되는 전해액.
- 제 1 항에 있어서, 비수성 용매가 고리형 카르보네이트, 고리형 에스테르, 선형 카르보네이트, 및 에테르로 이루어진 군으로부터 선택되는 하나 이상의 화합물을 포함하는 전해액.
- 제 1 항에 있어서, 비수성 용매가 고리형 카르보네이트 및 선형 카르보네이트를 1:9 내지 9:1 의 부피비로 함유하는 전해액.
- 제 1 항에 있어서, 비수성 용매가 고리형 카르보네이트 및 에테르를 1:9 내지 9:1 의 부피비로 함유하는 전해액.
- 제 1 항에 있어서, 비수성 용매가 고리형 카르보네이트 및 고리형 에스테르를 1:99 내지 99:1 의 부피비로 함유하는 전해액.
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KR101092280B1 (ko) | 2011-12-13 |
US20170104239A1 (en) | 2017-04-13 |
KR20120034695A (ko) | 2012-04-12 |
US20170309962A1 (en) | 2017-10-26 |
JP2009266825A (ja) | 2009-11-12 |
US20080057402A1 (en) | 2008-03-06 |
US9742033B2 (en) | 2017-08-22 |
US10050307B2 (en) | 2018-08-14 |
KR101111365B1 (ko) | 2012-03-09 |
US20170317386A1 (en) | 2017-11-02 |
JP5645144B2 (ja) | 2014-12-24 |
KR20040010189A (ko) | 2004-01-31 |
CN1487621A (zh) | 2004-04-07 |
CN100585935C (zh) | 2010-01-27 |
US20040013946A1 (en) | 2004-01-22 |
KR20100121578A (ko) | 2010-11-18 |
JP2014150070A (ja) | 2014-08-21 |
JP5168317B2 (ja) | 2013-03-21 |
JP2010205742A (ja) | 2010-09-16 |
JP2013051207A (ja) | 2013-03-14 |
US20170104238A1 (en) | 2017-04-13 |
KR20110093743A (ko) | 2011-08-18 |
US20190081356A1 (en) | 2019-03-14 |
US20180198165A1 (en) | 2018-07-12 |
JP5440909B2 (ja) | 2014-03-12 |
JP2013080716A (ja) | 2013-05-02 |
KR101273853B1 (ko) | 2013-06-11 |
US20140227612A1 (en) | 2014-08-14 |
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